WORCESTER — The EcoTarium, a sprawling science and nature center, is taking a page from Jurassic Park with its new DinoTracks exhibit, featuring life-size replicas of three dinosaurs: dilophosaurus, coelophysis,and stegosaurus.

 The interactive exhibit uses fossils as a springboard for learning about the dinosaurs that once roamed New England. Visitors can practice tracking skills on a 15-by-20-foot photo reproduction of real track ways discovered in the Connecticut River Valley, step into life-size dinosaur prints, and touch a real footprint found in a Holyoke backyard, hear and feel the footsteps of a dinosaur when they sit on the Jurassic Park Bench, and discover how to “read” fossil tracks to measure a dinosaur’s speed, size, and activity.